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andradite
[ an-druh-dahyt ]
noun
- a mineral, calcium-iron garnet, Ca 3 Fe 2 Si 3 O 2 , occurring in brown, green, or black crystals.
andradite
/ ˈændrəˌdaɪt /
noun
- a yellow, green, or brownish-black garnet that consists of calcium iron silicate and is used as a gemstone. Formula: Ca 3 Fe 2 (SiO 4 ) 3
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Word History and Origins
Origin of andradite1
1830–40; named after J. B. de Andrada e Silva; -ite 1
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Word History and Origins
Origin of andradite1
C19: named after J. B. d' Andrada e Silva (1763–1838), Brazilian mineralogist; see -ite 1
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Example Sentences
The andradite garnets furnish the brilliant, nearly emerald green demantoids (so often called "olivine" by the trade).
From Project Gutenberg
Andradite garnet furnishes brilliant green stones, which have been incorrectly named "Olivines" by the trade.
From Project Gutenberg
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